单项选择题

A．She made it herself.
B．She has a tailor make it.
C．She bought it a long time ago.
D．She has an old one re-made.
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单项选择题
According to the passage, DNA fingerprinting can be unreliable when ______.
A．the methods used of blood-cell calculation are not accurate
B．two different individuals of the same ethnic group may have the same DNA fingerprinting pattern
C．a match is by chance left with fingerprints that happen to belong to two different individuals
D．two different individuals leave two DNA samples
单项选择题
A．Study the case carefully beforehand.B．Stick to a set target.C．Appear friendly to the other party.D．Try to be flexible about their terms.
A．Study the case carefully beforehand.
B．Stick to a set target.
C．Appear friendly to the other party.
D．Try to be flexible about their terms.
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